Blender 3D: Noob to Pro/Creating Pixar-looking eyes in Blender - Wikibooks, open books for an open world
Blender Market on X: "The Eye Designer is a versatile Blender Add-on that allows for quick and easy creation of great looking eyes. Simply click a button and the eyes are imported
Realistic eye tutorial in Blender 2.8 EEVEE - YouTube
How to Shade a Human Eyes in Blender Cycles - YouTube